Naphtholphthalein

de

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Naphtholphthalein

Quality:

α-naphtholphthalein - chemical compound. Article “Naphtholphthalein” in German Wikipedia has 29.7 points for quality (as of July 1, 2025). The article contains 9 references and 5 sections.

This article has the best quality in Finnish Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Naphtholphthalein”, its content was written by 20 registered users of German Wikipedia and edited by 103 registered Wikipedia users in all languages.

The article is cited 1 times in German Wikipedia and cited 75 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #45687 in December 2019
  • Global: #86183 in June 2017

The highest popularity rank from 2008:

  • Local (German): #353301 in May 2019
  • Global: #1014908 in May 2008

There are 12 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Finnish (fi)
Naftoliftaleiini
29.8635
2German (de)
Naphtholphthalein
29.6837
3Serbo-Croatian (sh)
Naftolftalein
29.6803
4English (en)
Naphtholphthalein
26.4995
5Spanish (es)
Naftolftaleína
23.5722
6Serbian (sr)
Naftolftalein
22.5927
7Japanese (ja)
ナフトールフタレイン
22.0325
8Portuguese (pt)
1-Naftolftaleína
14.5778
9Turkish (tr)
Naftoftalein
14.1723
10Italian (it)
1-naftolftaleina
13.7776
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Naphtholphthalein" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Naphtholphthalein
56 088
2German (de)
Naphtholphthalein
14 447
3Portuguese (pt)
1-Naftolftaleína
11 893
4Italian (it)
1-naftolftaleina
7 135
5Persian (fa)
نفتول فتالئین
1 429
6Turkish (tr)
Naftoftalein
984
7Serbian (sr)
Naftolftalein
551
8Japanese (ja)
ナフトールフタレイン
501
9Serbo-Croatian (sh)
Naftolftalein
418
10Slovak (sk)
Naftolftaleín
184
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Naphtholphthalein" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Naphtholphthalein
145
2Japanese (ja)
ナフトールフタレイン
28
3Portuguese (pt)
1-Naftolftaleína
19
4German (de)
Naphtholphthalein
16
5Serbo-Croatian (sh)
Naftolftalein
13
6Spanish (es)
Naftolftaleína
8
7Italian (it)
1-naftolftaleina
7
8Persian (fa)
نفتول فتالئین
6
9Turkish (tr)
Naftoftalein
5
10Serbian (sr)
Naftolftalein
4
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Naphtholphthalein" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Naphtholphthalein
29
2German (de)
Naphtholphthalein
20
3Italian (it)
1-naftolftaleina
20
4Portuguese (pt)
1-Naftolftaleína
9
5Turkish (tr)
Naftoftalein
7
6Finnish (fi)
Naftoliftaleiini
4
7Japanese (ja)
ナフトールフタレイン
4
8Serbo-Croatian (sh)
Naftolftalein
3
9Persian (fa)
نفتول فتالئین
2
10Slovak (sk)
Naftolftaleín
2
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Naphtholphthalein" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
Naphtholphthalein
0
2English (en)
Naphtholphthalein
0
3Spanish (es)
Naftolftaleína
0
4Persian (fa)
نفتول فتالئین
0
5Finnish (fi)
Naftoliftaleiini
0
6Italian (it)
1-naftolftaleina
0
7Japanese (ja)
ナフトールフタレイン
0
8Portuguese (pt)
1-Naftolftaleína
0
9Serbo-Croatian (sh)
Naftolftalein
0
10Slovak (sk)
Naftolftaleín
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Naphtholphthalein" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Italian (it)
1-naftolftaleina
50
2Serbo-Croatian (sh)
Naftolftalein
5
3English (en)
Naphtholphthalein
4
4Portuguese (pt)
1-Naftolftaleína
4
5Serbian (sr)
Naftolftalein
4
6Turkish (tr)
Naftoftalein
2
7German (de)
Naphtholphthalein
1
8Spanish (es)
Naftolftaleína
1
9Persian (fa)
نفتول فتالئین
1
10Finnish (fi)
Naftoliftaleiini
1
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2025:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2025:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
Naphtholphthalein
enEnglish
Naphtholphthalein
esSpanish
Naftolftaleína
faPersian
نفتول فتالئین
fiFinnish
Naftoliftaleiini
itItalian
1-naftolftaleina
jaJapanese
ナフトールフタレイン
ptPortuguese
1-Naftolftaleína
shSerbo-Croatian
Naftolftalein
skSlovak
Naftolftaleín
srSerbian
Naftolftalein
trTurkish
Naftoftalein

Popularity rank trends

Best Rank German:
#353301
05.2019
Global:
#1014908
05.2008

AI rank trends

Best Rank German:
#45687
12.2019
Global:
#86183
06.2017

Languages comparison

Important global interconnections (July 2024 – June 2025)

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 21 February 2026

On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..

In German Wikipedia the most popular articles on that day were: Eric Dane, Franziska Preuß, Jeffrey Epstein, Medaillenspiegel der Olympischen Winterspiele 2026, Laura Nolte, Dorothea Wierer, Andreas Hofer, Alysa Liu, Olympische Winterspiele 2026, Mariama Jamanka.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information